Use the following to answer the questions below: In each of the following multiple-choice questions, characterize EACH of the three given statements as being TRUE or FALSE and then indicate the collective true-false status of the statements using the choices: a) All three statements are true. b) Two of the three statements are true. c) Only one of the statements is true. d) None of the statements is true. Statements: (1) The "head group" in lipids that are constructed using the sphingosine platform can be a small carbohydrate molecule or a phosphorylated amino alcohol. (2) Biological waxes have structures in which an amide linkage is present. (3) An 18:3 fatty acid contains more unsaturation than a 20:2 fatty acid. O a

when pure hemoglobin (molecular mass of 64,000Da)is separated by the following methods ,what major molecular mass species do you expect to see? explain with one sentence. gel filteration : gel filtration with 6M urea: SDS-PAGE with DTT: SDS-PAGE:

Please complete the following question. 4

a)What Group? (Carb, Lipid, Protein, or Nucleic b)Acid). Within the group, how would you classify it? 1. Molecule #1 a) CH2OH H CH2OH b) H HỌ CH2OH он н он ÓH H c)How do you know you correctly classified this macromolecule in its proper group?

Which of the following statements about electron microscopy are true? a) Most existing protein structures have been resolved using electron microscopy b) Electron microscopy is not used in structural biology as it can not give as high a resolution as X-ray crystallography and NMR c) The smaller a protein, the easier it is to solve its structure with electron microscopy d) By taking pictures of the same protein frozen in ice thousands of times and then adding them together, you get a high-resolution image of the protein e) The first protein structure with true atomic resolution was solved using electron microscopy last year

#7 the highlighted structure is the ??

what is the relationship between the pairs in the following analogy. :chocolate: cookie as cheese: hamburger

Which of the following is an example of secondary protein structure?A) DipeptideB) TriglycerideC)α -helixD) Amino acidE) Fatty acid

A) A mother had some antibiotic leftover from fighting a throat infection. She administered them to her son when he developed a cold. Explain what was wrong with this practice.        B)  Charmaine wants to eliminate all  saturated and unsaturated fats from her diet.  Explain why eliminating all fats from your diet can be bad for both your BODY as a whole and your CELLS?

Which of the following link together amino acid units?A) Glycosidic bondsB) Disulfide bondsC) Peptide bondsD) Hydrogen bondsE) Ester linkages